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Randomized clinical trial of continuous sutures or non‐penetrating clips for radiocephalic arteriovenous fistula

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Background:

Despite several modifications to the original design, patency rates of radiocephalic arteriovenous fistulas have changed little since the first report in 1966. The use of non‐penetrating clips for vascular anastomosis on the outcome of such fistulas was studied.

Methods:

Between January 2000 and August 2003, 107 primary radiocephalic fistulas were constructed in 98 patients. The vascular anastomoses were performed at random with either sutures (n = 56) or clips (n = 51).

Results:

Although there were trends for better primary and primary assisted patency of clipped fistulas, the differences were not statistically significant. The 6‐month primary patency rate was 61 per cent with sutures and 69 per cent with clips (P = 0·393). The mean(s.d.) primary patency was 315(306) and 285(285) days for clipped and sutured fistulas respectively. With regard to secondary patency, clipped fistulas were better (P = 0·009). The mean(s.d.) secondary patency was 435(376) and 344(316) days for clipped and sutured fistulas, respectively. There were no significant differences in flow characteristics, number of revisions or other morbidity.

Conclusion:

This randomized clinical trial provided further evidence that the use of vascular clips may improve the patency rate of radiocephalic arteriovenous fistulas for haemodialysis. Copyright © 2004 British Journal of Surgery Society Ltd. Published by John Wiley & Sons, Ltd.
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Document Type: Research Article

Affiliations: 1: Department of Surgery, University Hospital Groningen, Groningen, The Netherlands 2: Department of Surgery, Medisch Spectrum Twente, Enschede, The Netherlands

Publication date: November 1, 2004

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